So… I rarely do this, but sometimes a blog is better than a bookmark… below are two great posts I found that list SharePoint’s features with GUIDs. These come in particularly handy when you try to activate a feature that is dependent on one of these and all you have is the GUID to go off of try and figure out what it is… thanks to the original authors. It’s little things like this that make our lives easier.
SharePoint 2007
List of Features with GUIDs – By Robert L. Bogue [MVP]
SharePoint 2010
Features and their GUID’s in SP2010 – By Stian Kirkeberg
Activating the feature with PowerShell or STSADM
Remember that you may have to activate the feature with STSADM or PowerShell if it is hidden (or maybe you just don’t want to use the GUI).
Activating a feature with PowerShell: Installing or Uninstalling Features
If you are activating the feature with STSADM the command is:
stsadm –o activatefeature –name MyFeatureName –url http://mywebapp